package com.xgzit.xgzmall.product.exception;

import com.xgzit.common.exception.BizCodeEnum;
import com.xgzit.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有一次
 * @Author xgz
 * @date 2021-03-27 19:15
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.xgzit.xgzmall.product.controller")
public class XgzmallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现异常：{},异常类型：{}", e.getMessage(), e.getClass());
        Map<String, String> map = new HashMap<>(16);
        BindingResult res = e.getBindingResult();
        res.getFieldErrors().forEach((item)->{
            String field = item.getField();
            String defaultMessage = item.getDefaultMessage();
            map.put(field, defaultMessage);
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable e){
        log.error(e.getMessage());
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(),BizCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}
